Gammel swing fra femti

Recording by Ole Ivars.

Recording identifiers

ISRC
NOGTA8723070
CopyrightID (CopyrightChains transaction hash)
0x9ec5967c12d512edb3159865182f3b08d9ea8bef36a8544063aa5d4d8d8c30ef
Copyright registration time
2026-07-07T19:48:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:5f0aeadcae28fa0c2ab43127e71c4858737bf107e0f7d32354d067abfbee4d2b

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.